This is a spark plug wrench made by Blue Point. It is a genuine product purchased directly from a Blue Point dealer. The sizes are 16mm and 21mm. ⭕️Various discounts are available only for Blue Point products⭕️ 【Follower Discount】 We will discount the price according to the product price for those who follow us. ★1000-3999 yen → 200 yen discount ★4000-6999 yen → 400 yen discount ★7000-9999 yen → 600 yen discount ★10000 yen or more → 800 yen discount ★20000 yen or more → 1000 yen discount 【Bundle Discount】 We will discount the total amount of the purchase. ★1000-4999 yen → 300 yen discount ★5000-9999 yen → 600 yen discount ★10000-19999 yen → 1000 yen discount ★20000-29999 yen → 2000 yen discount ★30000-39999 yen → 4000 yen discount ★40000 yen or more → 6000 yen discount 【Repeat Customer Discount】 We will give a 500 yen discount to followers who have purchased from us before. ※Customers who wish to use the above discounts must inform us in the comment section before purchasing, stating "I would like the ○○ discount". ⭐️Various discounts can be used in combination. Please feel free to ask. ⚠️Follower discount and repeat customer discount cannot be used together. ✅We will occasionally list bargain items at [limited special prices], so please check them out when you have time.