⭕️This product retains the R4's hook-hanging function while also including the R4P's egging hook keeper, making it a 2-WAY specification. □ Material: Aluminum □ Length: Approximately 48mm □ Weight: Approximately 8g □ Shipped via Rakuraku Mercari Delivery 【Shimano Compatible Models (Examples)】 ※ Generally fits 2500-4000 size reels 23 19 16 12 Vanquish 17 Vanquish FW-TUNE 22 Miravel 24 20 Vanford 11 Biomaster 13-16 Biomaster SW 25 21 17 Twin Power XD 24 20 Twin Power 15 11 Twin Power 21 15-16 09 Twin Power SW ~6000 17 12 Sephia CI4+ 22 18 13 Sephia BB 21 Sephia XR 23 19 15 Sephia SS 20 Stradic SW 4000 5000 18 Stradic SW 23 19 15 Stradic 16 Stradic CI4+ 24 22 19 18 14 Stella 20 19 16 13 08 Stella SW ~6000 23 Exsence XR 18 12 Exsence CI4+ 21 17 Exsence 24 20 14 Exsence BB 18 Cardiff Cl4+ 21 Complex XR 17 13 Complex CI4+ 25 21 17 12 Ultegra 18 12 BB-X Remare 20 14 13 BB-X Hyper Force 16 BB-X Larissa 10 Aorista CI4 21 Nasci 17 Sustain 12 Rarenium CI4+ 19 14 Spheros SW 22 Sahara 【Daiwa Compatible Models (Examples)】 24 23 Airity 21 Luvias Airity 20 Luvias ~4000 15 12 Luvias 1003-3012 21 Emeraldas AIR 15 Emeraldas AIR 2508 12 Emeraldas 2508 22 18 15 Exist 12 Exist 1003-3012 24 19 Certate LT 2500-4000 16 Saltist 1003-3012 ※ Processing or adjustment may be required. (Shimano 2000 size reels and below, some Daiwa Exist and Certate models, etc.)