'These are...?' 'Work gloves and a shovel. Basic tools of the gardening club.'
Literal
''These [topic-は]...'' ''Work-gloves and shovel. Gardening-club basic tools [possessive-の] one [emphatic-だよ]''
School club exchange. 軍手 (ぐんて) is 'work gloves, cotton work gloves' — literally 'military hand', originally military-issued work gloves, now standard for any rough work. スコップ is 'shovel', from Dutch schop (an old loanword, typical of early Dutch trade vocabulary). 園芸部 ('gardening club') is a standard school club type. ~の一つ ('one of X') is a common 'example of a category' structure.